Scale 1:500,000 (W 87°49ʹ--W 86°05ʹ/W 36°28ʹ--W 33°12ʹ). 2 maps in booklet : col., mounted on linen ; 72 x 26 cm., folded in cover 27 x 36 cm.
Notes
Relief shown by gradient tints, contours and spot heights. "1927 and later revisions." Cover title. Not for navigation; historical reference only. Red information revised May 1932. "2631.04/33:31." North oriented to the upper left.